[easytag] Avoid empty file list NULL pointer dereference

[David King <davidk src gnome org>]

commit 60c0ee5aa54f65d92201aee5913228268cb2afb4
Author: David King <amigadave amigadave com>
Date:   Sun Jun 23 22:43:51 2013 +0100

    Avoid empty file list NULL pointer dereference

 src/et_core.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/et_core.c b/src/et_core.c
index 8a6b6c5..9b9f4b5 100644
--- a/src/et_core.c
+++ b/src/et_core.c
@@ -2594,7 +2594,7 @@ void ET_Display_File_Data_To_UI (ET_File *ETFile)
     gchar *cur_filename_utf8;
     gchar *msg;
 
-    g_return_if_fail (ETFile != NULL ||
+    g_return_if_fail (ETFile != NULL &&
                       ((GList *)ETFile->FileNameCur)->data != NULL);
                       /* For the case where ETFile is an "empty" structure. */